#66FB9C#66FB9C

#66FB9C is a very light, vivid green. Relative luminance 0.742; OKLCH L 88.5% C 0.184 H 152.6°. Best body text is #000000 at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#66FB9C
RGB	rgb(102, 251, 156)
HSL	hsl(142, 95%, 69%)
HSV	hsv(142, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 37.8%, 1.6%)
CIE-LAB	lab(89.02, -60.20, 33.95)
CIE-LCH	lch(89.02, 69.11, 150.58°)
OKLab	oklab(88.47% -0.163 0.0847)
OKLCH	oklch(88.47% 0.184 152.6)
XYZ	xyz(45.9738, 74.2150, 43.3482)
Luminance	0.7422 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FB9C #FB66C5

analogous

#7BFB66 #66FB9C #66FBE7

triadic

#66FB9C #9C66FB #FB9C66

tetradic

#66FB9C #667BFB #FB66C5 #FBE766

square

#66FB9C #667BFB #FB66C5 #FBE766

split-complementary

#66FB9C #E766FB #FB667B

monochromatic

#06E155 #2AF975 #66FB9C #A2FDC3 #DDFEE9

Accessibility & contrast

On white

1.33

#66FB9C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.84

#66FB9C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FB9C

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FB9C	#FFFFFF	#000000	##000000
##66FB9C	1.00	1.33	15.84	15.84
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.84	21.00	1.00	1.00
##000000	15.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE896

Deuteranopia (green-blind)

#E8DAA2

Tritanopia (blue-blind)

#33F8E3

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66fb9c;
/* rgb */ color: rgb(102, 251, 156);
/* oklch */ color: oklch(88.5% 0.184 152.6);

Tailwind

colors: {
  custom: {
    50: '#9efeba',
    500: '#66fb9c',
    950: '#000000',
  },
}

SCSS

$custom: #66fb9c;
$custom-light: #9efeba;
$custom-dark: #000000;

JSON

{
  "hex": "#66fb9c",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 156
  },
  "hsl": {
    "h": 141.745,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.8847,
    "c": 0.18366,
    "h": 152.6
  },
  "luminance": 0.74219
}

Semantic roles & 50–950 ramp

primary

#66FB9C

secondary

#D53099

accent

#0092E6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#101811

muted

#808681

Preview Lab

Preview with #66FB9C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →